Re: [PATCHv5 4/5] Allow setting O_NONBLOCK flag for new sockets

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Ulrich Drepper a écrit :
This patch adds support for setting the O_NONBLOCK flag of the file
descriptors returned by socket, socketpair, and accept.


Thanks Ulrich for this v5 series. I have two more questions.

1) Can the fd passing with recvmsg() on AF_UNIX also gets O_CLOEXEC support ?

(In my understanding, only accept(), socket(), socketcall(), socketpair()) are handled, so it might work on i386 (because recvmsg() is multiplexed under socketcall), but not on x86_64.

2) Why this O_NONBLOCK ability is needed for sockets ? Is it a security issue, and if yes could you remind it to me ?

Thanks

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